Mercedes AMG GLS, GLE 63 S facelifts revealed with more efficient V8 engine
As part of their mid-lifecycle updates, AMG has revealed the updated GLS 63 and GLE 63 S SUVs with the new M177 EVO twin-turbo V8 engine. It features a motorsport-inspired flat-plane crankshaft, which reduces rotating masses, improves the engine's ability to rev and ensures precise response. While the output remains unchanged, AMG claims the new motor is more fuel efficient. This comes after the facelifts of the standard Mercedes GLE and GLS SUVs were revealed in April 2026. New M177 EVO V8 engine features new intake and exhaust ports The GLE 63 S does the 0-100kph sprint in 3.9 seconds, GLS 63 takes 4.2 seconds Both have a 280kph top speed New Mercedes AMG GLS 63 and GLE 63 S powertrain details Mercedes AMG GLS 63. The 4-litre twin-turbo V8 engine makes 612hp on its own, while a 48V mild-hybrid starter-generator adds another 23hp, taking total output to 635hp. The starter generator also provides additional torque at low revs, enables energy recuperation during deceleration and ...